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Finding the Fourth Proportional to 3,296.64, 4,943.16 and 1,347.24

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Solution

The fourth proportional to 3,296.64, 4,943.16 and 1,347.24 is: 2,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.64 : 4,943.16 = 1,347.24 : x
  2. Step 2: Convert to fraction form
    3,296.64/4,943.16 = 1,347.24/x
  3. Step 3: Cross multiply
    3,296.64x = 4,943.16 × 1,347.24
  4. Step 4: Simplify right side
    3,296.64x = 6,659,622.88
  5. Step 5: Solve for x
    x = 6,659,622.88/3,296.64
  6. Step 6: Final answer
    x = 2,020.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.